PolyMem’s formulation was patented in 1988 by Robert W. Sessions, a former director of biomedical research at Chicago’s Rush-Presbyterian St. Luke’s Medical Center. Ferris Mfg. Corp. and founder, Sessions, have received numerous awards and recognitions for excellence in medical product design and contributions to the medical profession.
Sessions is responsible for numerous inventions, including: one of the first implantable cardiac pacemakers; disposable electrocardiogram electrodes; a disposable bone marrow aspiration needle; a suture-less cannula for open heart surgery; the Hunter-Sessions Vena Cava Occluder (an implant to prevent blood clots in the lungs); and the PolyMem® wound dressings, BabySmooth® Diaper Rash Pads, RhinoPak® Nasal Surgery Dressings, as well as Pain Soothing Back Support. Sessions died in April of 2005 and Ferris Mfg. Corp. is now led by his nephew, Dr. Roger Sessions.















